... -Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical 2) low poison, LD50 for small mouse is 965mg/kg 1,2 ... big flake, column, fine granular, powder. Properties:It's bitter, odorless, boiling point is 204°C(15mmHG),soluble in alcohol, benzene, toluene ... . Safety properties:It's not inflammable or explosive or corrosive,low poison and the LD50 for small mouse is 965mg/kg. Packing ...